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| -rw-r--r-- | include/svx/xmlgrhlp.hxx | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/include/svx/xmlgrhlp.hxx b/include/svx/xmlgrhlp.hxx new file mode 100644 index 000000000..0e54e1cb1 --- /dev/null +++ b/include/svx/xmlgrhlp.hxx @@ -0,0 +1,128 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SVX_XMLGRHLP_HXX +#define INCLUDED_SVX_XMLGRHLP_HXX + +#include <comphelper/compbase.hxx> +#include <vcl/graph.hxx> +#include <rtl/ref.hxx> + +#include <string_view> +#include <vector> +#include <unordered_map> +#include <utility> +#include <com/sun/star/document/XGraphicObjectResolver.hpp> +#include <com/sun/star/document/XGraphicStorageHandler.hpp> +#include <com/sun/star/document/XBinaryStreamResolver.hpp> +#include <com/sun/star/embed/XStorage.hpp> +#include <svx/svxdllapi.h> + +enum class SvXMLGraphicHelperMode +{ + Read, Write +}; + +struct SvxGraphicHelperStream_Impl +{ + css::uno::Reference < css::embed::XStorage > xStorage; + css::uno::Reference < css::io::XStream > xStream; +}; + +class SVXCORE_DLLPUBLIC SvXMLGraphicHelper final : + public comphelper::WeakComponentImplHelper<css::document::XGraphicObjectResolver, + css::document::XGraphicStorageHandler, + css::document::XBinaryStreamResolver> +{ +private: + css::uno::Reference < css::embed::XStorage > mxRootStorage; + OUString maCurStorageName; + std::vector< css::uno::Reference< css::io::XOutputStream > > + maGrfStms; + + std::unordered_map<OUString, css::uno::Reference<css::graphic::XGraphic>> maGraphicObjects; + std::unordered_map<Graphic, std::pair<OUString, OUString>> maExportGraphics; + + SvXMLGraphicHelperMode meCreateMode; + OUString maOutputMimeType; + + SVX_DLLPRIVATE static bool ImplGetStreamNames( const OUString& rURLStr, + OUString& rPictureStorageName, + OUString& rPictureStreamName ); + SVX_DLLPRIVATE css::uno::Reference < css::embed::XStorage > + ImplGetGraphicStorage( const OUString& rPictureStorageName ); + SVX_DLLPRIVATE SvxGraphicHelperStream_Impl + ImplGetGraphicStream( const OUString& rPictureStorageName, + const OUString& rPictureStreamName ); + SVX_DLLPRIVATE static OUString ImplGetGraphicMimeType( const OUString& rFileName ); + SVX_DLLPRIVATE Graphic ImplReadGraphic( const OUString& rPictureStorageName, + const OUString& rPictureStreamName ); + + SvXMLGraphicHelper(); + virtual ~SvXMLGraphicHelper() override; + void Init( const css::uno::Reference < css::embed::XStorage >& xXMLStorage, + SvXMLGraphicHelperMode eCreateMode, + const OUString& rGraphicMimeType = OUString() ); + + SVX_DLLPRIVATE OUString implSaveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic, + OUString & rOutMimeType, + std::u16string_view rRequestName); + +public: + SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode ); + + static rtl::Reference<SvXMLGraphicHelper> Create( const css::uno::Reference < css::embed::XStorage >& rXMLStorage, + SvXMLGraphicHelperMode eCreateMode ); + static rtl::Reference<SvXMLGraphicHelper> Create( SvXMLGraphicHelperMode eCreateMode, + const OUString& rMimeType = OUString() ); + +public: + + // XGraphicObjectResolver + virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) override; + + // XGraphicStorageHandler + virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL + loadGraphic(OUString const & aURL) override; + + virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL + loadGraphicFromOutputStream(css::uno::Reference<css::io::XOutputStream> const & rxOutputStream) override; + + virtual OUString SAL_CALL + saveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override; + + virtual OUString SAL_CALL + saveGraphicByName(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic, OUString & rOutSavedMimeType, OUString const & rRequestName) override; + + virtual css::uno::Reference<css::io::XInputStream> SAL_CALL + createInputStream(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override; + + // XBinaryStreamResolver + virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) override; + virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL createOutputStream( ) override; + virtual OUString SAL_CALL resolveOutputStream( const css::uno::Reference< css::io::XOutputStream >& rxBinaryStream ) override; +}; + +namespace svx { + SVXCORE_DLLPUBLIC void DropUnusedNamedItems(css::uno::Reference<css::uno::XInterface> const& xModel); +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |